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669e846e | 1 | /* |
d116e812 DCZ |
2 | * This file is subject to the terms and conditions of the GNU General Public |
3 | * License. See the file "COPYING" in the main directory of this archive | |
4 | * for more details. | |
5 | * | |
6 | * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. | |
7 | * Authors: Sanjay Lal <sanjayl@kymasys.com> | |
8 | */ | |
669e846e SL |
9 | |
10 | #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ) | |
11 | #define _TRACE_KVM_H | |
12 | ||
13 | #include <linux/tracepoint.h> | |
14 | ||
15 | #undef TRACE_SYSTEM | |
16 | #define TRACE_SYSTEM kvm | |
17 | #define TRACE_INCLUDE_PATH . | |
18 | #define TRACE_INCLUDE_FILE trace | |
19 | ||
93258604 JH |
20 | /* |
21 | * Tracepoints for VM enters | |
22 | */ | |
23 | TRACE_EVENT(kvm_enter, | |
24 | TP_PROTO(struct kvm_vcpu *vcpu), | |
25 | TP_ARGS(vcpu), | |
26 | TP_STRUCT__entry( | |
27 | __field(unsigned long, pc) | |
28 | ), | |
29 | ||
30 | TP_fast_assign( | |
31 | __entry->pc = vcpu->arch.pc; | |
32 | ), | |
33 | ||
34 | TP_printk("PC: 0x%08lx", | |
35 | __entry->pc) | |
36 | ); | |
37 | ||
38 | TRACE_EVENT(kvm_reenter, | |
39 | TP_PROTO(struct kvm_vcpu *vcpu), | |
40 | TP_ARGS(vcpu), | |
41 | TP_STRUCT__entry( | |
42 | __field(unsigned long, pc) | |
43 | ), | |
44 | ||
45 | TP_fast_assign( | |
46 | __entry->pc = vcpu->arch.pc; | |
47 | ), | |
48 | ||
49 | TP_printk("PC: 0x%08lx", | |
50 | __entry->pc) | |
51 | ); | |
52 | ||
53 | TRACE_EVENT(kvm_out, | |
54 | TP_PROTO(struct kvm_vcpu *vcpu), | |
55 | TP_ARGS(vcpu), | |
56 | TP_STRUCT__entry( | |
57 | __field(unsigned long, pc) | |
58 | ), | |
59 | ||
60 | TP_fast_assign( | |
61 | __entry->pc = vcpu->arch.pc; | |
62 | ), | |
63 | ||
64 | TP_printk("PC: 0x%08lx", | |
65 | __entry->pc) | |
66 | ); | |
67 | ||
1e09e86a JH |
68 | /* The first 32 exit reasons correspond to Cause.ExcCode */ |
69 | #define KVM_TRACE_EXIT_INT 0 | |
70 | #define KVM_TRACE_EXIT_TLBMOD 1 | |
71 | #define KVM_TRACE_EXIT_TLBMISS_LD 2 | |
72 | #define KVM_TRACE_EXIT_TLBMISS_ST 3 | |
73 | #define KVM_TRACE_EXIT_ADDRERR_LD 4 | |
74 | #define KVM_TRACE_EXIT_ADDRERR_ST 5 | |
75 | #define KVM_TRACE_EXIT_SYSCALL 8 | |
76 | #define KVM_TRACE_EXIT_BREAK_INST 9 | |
77 | #define KVM_TRACE_EXIT_RESVD_INST 10 | |
78 | #define KVM_TRACE_EXIT_COP_UNUSABLE 11 | |
79 | #define KVM_TRACE_EXIT_TRAP_INST 13 | |
80 | #define KVM_TRACE_EXIT_MSA_FPE 14 | |
81 | #define KVM_TRACE_EXIT_FPE 15 | |
82 | #define KVM_TRACE_EXIT_MSA_DISABLED 21 | |
83 | /* Further exit reasons */ | |
84 | #define KVM_TRACE_EXIT_WAIT 32 | |
85 | #define KVM_TRACE_EXIT_CACHE 33 | |
86 | #define KVM_TRACE_EXIT_SIGNAL 34 | |
87 | ||
88 | /* Tracepoints for VM exits */ | |
89 | #define kvm_trace_symbol_exit_types \ | |
90 | { KVM_TRACE_EXIT_INT, "Interrupt" }, \ | |
91 | { KVM_TRACE_EXIT_TLBMOD, "TLB Mod" }, \ | |
92 | { KVM_TRACE_EXIT_TLBMISS_LD, "TLB Miss (LD)" }, \ | |
93 | { KVM_TRACE_EXIT_TLBMISS_ST, "TLB Miss (ST)" }, \ | |
94 | { KVM_TRACE_EXIT_ADDRERR_LD, "Address Error (LD)" }, \ | |
95 | { KVM_TRACE_EXIT_ADDRERR_ST, "Address Err (ST)" }, \ | |
96 | { KVM_TRACE_EXIT_SYSCALL, "System Call" }, \ | |
97 | { KVM_TRACE_EXIT_BREAK_INST, "Break Inst" }, \ | |
98 | { KVM_TRACE_EXIT_RESVD_INST, "Reserved Inst" }, \ | |
99 | { KVM_TRACE_EXIT_COP_UNUSABLE, "COP0/1 Unusable" }, \ | |
100 | { KVM_TRACE_EXIT_TRAP_INST, "Trap Inst" }, \ | |
101 | { KVM_TRACE_EXIT_MSA_FPE, "MSA FPE" }, \ | |
102 | { KVM_TRACE_EXIT_FPE, "FPE" }, \ | |
103 | { KVM_TRACE_EXIT_MSA_DISABLED, "MSA Disabled" }, \ | |
104 | { KVM_TRACE_EXIT_WAIT, "WAIT" }, \ | |
105 | { KVM_TRACE_EXIT_CACHE, "CACHE" }, \ | |
106 | { KVM_TRACE_EXIT_SIGNAL, "Signal" } | |
669e846e SL |
107 | |
108 | TRACE_EVENT(kvm_exit, | |
109 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int reason), | |
110 | TP_ARGS(vcpu, reason), | |
111 | TP_STRUCT__entry( | |
b3cffac0 | 112 | __field(unsigned long, pc) |
669e846e SL |
113 | __field(unsigned int, reason) |
114 | ), | |
115 | ||
116 | TP_fast_assign( | |
b3cffac0 | 117 | __entry->pc = vcpu->arch.pc; |
669e846e SL |
118 | __entry->reason = reason; |
119 | ), | |
120 | ||
121 | TP_printk("[%s]PC: 0x%08lx", | |
1e09e86a JH |
122 | __print_symbolic(__entry->reason, |
123 | kvm_trace_symbol_exit_types), | |
b3cffac0 | 124 | __entry->pc) |
669e846e SL |
125 | ); |
126 | ||
6398da13 JH |
127 | #define KVM_TRACE_MFC0 0 |
128 | #define KVM_TRACE_MTC0 1 | |
129 | #define KVM_TRACE_DMFC0 2 | |
130 | #define KVM_TRACE_DMTC0 3 | |
131 | #define KVM_TRACE_RDHWR 4 | |
132 | ||
133 | #define KVM_TRACE_HWR_COP0 0 | |
134 | #define KVM_TRACE_HWR_HWR 1 | |
135 | ||
136 | #define KVM_TRACE_COP0(REG, SEL) ((KVM_TRACE_HWR_COP0 << 8) | \ | |
137 | ((REG) << 3) | (SEL)) | |
138 | #define KVM_TRACE_HWR(REG, SEL) ((KVM_TRACE_HWR_HWR << 8) | \ | |
139 | ((REG) << 3) | (SEL)) | |
140 | ||
141 | #define kvm_trace_symbol_hwr_ops \ | |
142 | { KVM_TRACE_MFC0, "MFC0" }, \ | |
143 | { KVM_TRACE_MTC0, "MTC0" }, \ | |
144 | { KVM_TRACE_DMFC0, "DMFC0" }, \ | |
145 | { KVM_TRACE_DMTC0, "DMTC0" }, \ | |
146 | { KVM_TRACE_RDHWR, "RDHWR" } | |
147 | ||
148 | #define kvm_trace_symbol_hwr_cop \ | |
149 | { KVM_TRACE_HWR_COP0, "COP0" }, \ | |
150 | { KVM_TRACE_HWR_HWR, "HWR" } | |
151 | ||
152 | #define kvm_trace_symbol_hwr_regs \ | |
153 | { KVM_TRACE_COP0( 0, 0), "Index" }, \ | |
154 | { KVM_TRACE_COP0( 2, 0), "EntryLo0" }, \ | |
155 | { KVM_TRACE_COP0( 3, 0), "EntryLo1" }, \ | |
156 | { KVM_TRACE_COP0( 4, 0), "Context" }, \ | |
157 | { KVM_TRACE_COP0( 4, 2), "UserLocal" }, \ | |
158 | { KVM_TRACE_COP0( 5, 0), "PageMask" }, \ | |
159 | { KVM_TRACE_COP0( 6, 0), "Wired" }, \ | |
160 | { KVM_TRACE_COP0( 7, 0), "HWREna" }, \ | |
161 | { KVM_TRACE_COP0( 8, 0), "BadVAddr" }, \ | |
162 | { KVM_TRACE_COP0( 9, 0), "Count" }, \ | |
163 | { KVM_TRACE_COP0(10, 0), "EntryHi" }, \ | |
164 | { KVM_TRACE_COP0(11, 0), "Compare" }, \ | |
165 | { KVM_TRACE_COP0(12, 0), "Status" }, \ | |
166 | { KVM_TRACE_COP0(12, 1), "IntCtl" }, \ | |
167 | { KVM_TRACE_COP0(12, 2), "SRSCtl" }, \ | |
168 | { KVM_TRACE_COP0(13, 0), "Cause" }, \ | |
169 | { KVM_TRACE_COP0(14, 0), "EPC" }, \ | |
170 | { KVM_TRACE_COP0(15, 0), "PRId" }, \ | |
171 | { KVM_TRACE_COP0(15, 1), "EBase" }, \ | |
172 | { KVM_TRACE_COP0(16, 0), "Config" }, \ | |
173 | { KVM_TRACE_COP0(16, 1), "Config1" }, \ | |
174 | { KVM_TRACE_COP0(16, 2), "Config2" }, \ | |
175 | { KVM_TRACE_COP0(16, 3), "Config3" }, \ | |
176 | { KVM_TRACE_COP0(16, 4), "Config4" }, \ | |
177 | { KVM_TRACE_COP0(16, 5), "Config5" }, \ | |
178 | { KVM_TRACE_COP0(16, 7), "Config7" }, \ | |
179 | { KVM_TRACE_COP0(26, 0), "ECC" }, \ | |
180 | { KVM_TRACE_COP0(30, 0), "ErrorEPC" }, \ | |
181 | { KVM_TRACE_HWR( 0, 0), "CPUNum" }, \ | |
182 | { KVM_TRACE_HWR( 1, 0), "SYNCI_Step" }, \ | |
183 | { KVM_TRACE_HWR( 2, 0), "CC" }, \ | |
184 | { KVM_TRACE_HWR( 3, 0), "CCRes" }, \ | |
185 | { KVM_TRACE_HWR(29, 0), "ULR" } | |
186 | ||
187 | TRACE_EVENT(kvm_hwr, | |
188 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, unsigned int reg, | |
189 | unsigned long val), | |
190 | TP_ARGS(vcpu, op, reg, val), | |
191 | TP_STRUCT__entry( | |
192 | __field(unsigned long, val) | |
193 | __field(u16, reg) | |
194 | __field(u8, op) | |
195 | ), | |
196 | ||
197 | TP_fast_assign( | |
198 | __entry->val = val; | |
199 | __entry->reg = reg; | |
200 | __entry->op = op; | |
201 | ), | |
202 | ||
203 | TP_printk("%s %s (%s:%u:%u) 0x%08lx", | |
204 | __print_symbolic(__entry->op, | |
205 | kvm_trace_symbol_hwr_ops), | |
206 | __print_symbolic(__entry->reg, | |
207 | kvm_trace_symbol_hwr_regs), | |
208 | __print_symbolic(__entry->reg >> 8, | |
209 | kvm_trace_symbol_hwr_cop), | |
210 | (__entry->reg >> 3) & 0x1f, | |
211 | __entry->reg & 0x7, | |
212 | __entry->val) | |
213 | ); | |
214 | ||
04ebebf4 JH |
215 | #define KVM_TRACE_AUX_RESTORE 0 |
216 | #define KVM_TRACE_AUX_SAVE 1 | |
217 | #define KVM_TRACE_AUX_ENABLE 2 | |
218 | #define KVM_TRACE_AUX_DISABLE 3 | |
219 | #define KVM_TRACE_AUX_DISCARD 4 | |
220 | ||
221 | #define KVM_TRACE_AUX_FPU 1 | |
222 | #define KVM_TRACE_AUX_MSA 2 | |
223 | #define KVM_TRACE_AUX_FPU_MSA 3 | |
224 | ||
225 | #define kvm_trace_symbol_aux_op \ | |
226 | { KVM_TRACE_AUX_RESTORE, "restore" }, \ | |
227 | { KVM_TRACE_AUX_SAVE, "save" }, \ | |
228 | { KVM_TRACE_AUX_ENABLE, "enable" }, \ | |
229 | { KVM_TRACE_AUX_DISABLE, "disable" }, \ | |
230 | { KVM_TRACE_AUX_DISCARD, "discard" } | |
231 | ||
232 | #define kvm_trace_symbol_aux_state \ | |
233 | { KVM_TRACE_AUX_FPU, "FPU" }, \ | |
234 | { KVM_TRACE_AUX_MSA, "MSA" }, \ | |
235 | { KVM_TRACE_AUX_FPU_MSA, "FPU & MSA" } | |
236 | ||
237 | TRACE_EVENT(kvm_aux, | |
238 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int op, | |
239 | unsigned int state), | |
240 | TP_ARGS(vcpu, op, state), | |
241 | TP_STRUCT__entry( | |
242 | __field(unsigned long, pc) | |
243 | __field(u8, op) | |
244 | __field(u8, state) | |
245 | ), | |
246 | ||
247 | TP_fast_assign( | |
248 | __entry->pc = vcpu->arch.pc; | |
249 | __entry->op = op; | |
250 | __entry->state = state; | |
251 | ), | |
252 | ||
253 | TP_printk("%s %s PC: 0x%08lx", | |
254 | __print_symbolic(__entry->op, | |
255 | kvm_trace_symbol_aux_op), | |
256 | __print_symbolic(__entry->state, | |
257 | kvm_trace_symbol_aux_state), | |
258 | __entry->pc) | |
259 | ); | |
260 | ||
9887d1c7 JH |
261 | TRACE_EVENT(kvm_asid_change, |
262 | TP_PROTO(struct kvm_vcpu *vcpu, unsigned int old_asid, | |
263 | unsigned int new_asid), | |
264 | TP_ARGS(vcpu, old_asid, new_asid), | |
265 | TP_STRUCT__entry( | |
266 | __field(unsigned long, pc) | |
267 | __field(u8, old_asid) | |
268 | __field(u8, new_asid) | |
269 | ), | |
270 | ||
271 | TP_fast_assign( | |
272 | __entry->pc = vcpu->arch.pc; | |
273 | __entry->old_asid = old_asid; | |
274 | __entry->new_asid = new_asid; | |
275 | ), | |
276 | ||
277 | TP_printk("PC: 0x%08lx old: 0x%02x new: 0x%02x", | |
278 | __entry->pc, | |
279 | __entry->old_asid, | |
280 | __entry->new_asid) | |
281 | ); | |
282 | ||
669e846e SL |
283 | #endif /* _TRACE_KVM_H */ |
284 | ||
285 | /* This part must be outside protection */ | |
286 | #include <trace/define_trace.h> |